Public bug reported: Upgrading from Ubuntu 14.04 to 16.04 (do-release-upgrade) gave the following error:
dpkg: regarding .../update-notifier-common_3.192.1.7_all.deb containing update-notifier-common, pre-dependency problem: update-notifier-common pre-depends on apt (>= 1.1~) apt latest configured version is 1.0.1ubuntu2.24. dpkg: error processing archive /var/cache/apt/archives/update-notifier-common_3.192.1.7_all.deb (--unpack): pre-dependency problem - not installing update-notifier-common Error in function: SystemError: E:Sub-process /usr/bin/dpkg returned an error code (1) Error in sys.excepthook: Traceback (most recent call last): File "/usr/lib/python3/dist-packages/problem_report.py", line 416, in add_to_existing self.write(f) File "/usr/lib/python3/dist-packages/problem_report.py", line 369, in write block = f.read(1048576) File "/usr/lib/python3.4/codecs.py", line 313, in decode (result, consumed) = self._buffer_decode(data, self.errors, final) UnicodeDecodeError: 'utf-8' codec can't decode byte 0x8b in position 1: invalid start byte ProblemType: Package DistroRelease: Ubuntu 16.04 Package: update-notifier-common 0.154.1 ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4 Uname: Linux 3.13.0-32-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.2 Architecture: amd64 Date: Thu Jan 9 23:52:00 2020 DuplicateSignature: package:update-notifier-common:0.154.1:pre-dependency problem - not installing update-notifier-common ErrorMessage: pre-dependency problem - not installing update-notifier-common InstallationDate: Installed on 2017-05-16 (968 days ago) InstallationMedia: Ubuntu-Server 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.3) PackageArchitecture: all SourcePackage: update-notifier Title: package update-notifier-common 0.154.1 failed to install/upgrade: pre-dependency problem - not installing update-notifier-common UpgradeStatus: Upgraded to xenial on 2020-01-10 (0 days ago) ** Affects: update-notifier (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-package third-party-packages xenial -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1859116 Title: package update-notifier-common 0.154.1 failed to install/upgrade: pre- dependency problem - not installing update-notifier-common To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-notifier/+bug/1859116/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs